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Overview

The Insect Group includes four categories of arthropods - Butterflies, Moths, Other Insects and Spiders.

Butterflies and Moths make up the Order of Lepidoptera. Although there are relatively few butterflies - just over 400 Australia-wide and many less on the south coast - they are well known as they fly in the day time and many are prominently coloured. On the other hand, there are more than 22,000 species of moths in Australia and so vastly more moths than butterflies in our area. The majority of moths are nocturnal and more plainly coloured than butterflies,  but there are nevertheless many brightly coloured ones some of which can be seen in the daytime. They include the micromoths with wingspans of only a centimetre or two and which numerically make up the large majority of moth species.

Over 60 species of moths are aready recorded in the Atlas of Coastal Wilderness. When taking photos of moths, it is usually easiest to obtain images of the upperside (dorsal) view of the wings. but a closeup image of the head showing the antennae and even the mouthparts below the head makes the identification process much easier for some hard-to-identify species.

Butterflies and moths are the adult stage of the lifecycle (so it is important to note that if you see a small one, it is not going to grow larger, it will stay the same size!). These adults are the life stage responsible for the reproduction and dispersal of the species; the females lay eggs singly or in clusters on or near the larval food plant; these eggs then hatch into larvae (caterpillars), which are the life stage responsible for eating and growing; these then form a pupa where the larval stage transforms into the adult. Some species will overwinter as eggs, or as larvae, or as pupae. Some species are migratory and do not overwinter here at all, and some species are only occasional vagrants to our area.

There are many Orders of Other Insectsants, wasps, bees and sawflies; grasshoppers, crickets, locusts and earwigs; flies, dragonflies and lacewings; bugs and cicadas; cockroaches, termites, mantids and stick insects; and the most numerous one of all, the beetles. There are very many species present in our area that are not yet recorded in the Atlas of Life in the Coastal Wilderness.

Spiders are different from other arthropods in that the usual body segments are fused into two tagmata, which are joined by a small, cylindrical pedicel. They have eight legs and fangs that inject venom. Unlike insects, spiders do not have antennae. Their abdomens bear appendages that have been modified into spinnerets that extrude silk. Spider webs vary widely in size, shape and the amount of sticky thread used. A herbivorous spider has been described, but all other known species are predators, mostly preying on insects and on other spiders, although a few large species also take birds and lizards.

Further Resources: 

CSIRO's Australian-Moths-Online

What bug is that?

 

Page 1 of Insects

Abantiades hyalinatus
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Acanthodela erythrosema
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Acatapaustus leucospila
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Achaea janata
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Achyra affinitalis
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Acontia nivipicta
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Acosmeryx anceus
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Acrida conica
Acrida conica
Acrida conica
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Acroceuthes metaxanthana
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Acropolitis excelsa
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Acropolitis rudisana
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Adelium sp.
Adelium sp.
Adelium sp.
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Adversaeschna brevistyla
Adversaeschna brevistyla
Adversaeschna brevistyla
Aedes notoscriptus
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Aenetus ligniveren
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Aenetus sp.
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Aeolochroma metarhodata
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Ageletha hemiteles
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Aglaopus pyrrhata
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Agriophara confertella
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Agriophara dyscapna
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Agriophara sp.
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Agrotis infusa
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Agrotis ipsilon
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Agrotis munda
Agrotis munda
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Alapadna pauropis
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Amata nigriceps
Amata nigriceps
Amata nigriceps
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Amelora sp.
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Amenia imperialis
Amenia imperialis
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Amphirhoe sloanei
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Anachloris uncinata
Anachloris uncinata
Anachloris uncinata
Anarsia molybdota
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Anestia ombrophanes
Anestia ombrophanes
Anestia ombrophanes
Anestia semiochrea
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Anoplognathus porosus
Anoplognathus porosus
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Anoplognathus viriditarsis
Anoplognathus viriditarsis
Anoplognathus viriditarsis
Anthela acuta
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Anthela nicothoe
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Anthela repleta
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Anthomyiidae (family)
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Antictenia punctunculus
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Antipterna trilicella
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Aphantes melanochorda
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Apis (Apis) mellifera
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Aporoctena scierodes
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Appias paulina
Appias paulina
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Archaereta dorsivittella
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Archimantis sp.
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Ardozyga tabulata
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